Climate change may be referred as the most concerning issue not only in national but also global perspective. Bangladesh has already been recognized as the most vulnerable country due to climate change.Climate change becomes the most vulnerable issue to the environmental specialist ,geographers,politicians,policy makers,and the other stakeholders.Climate change has a great impact on Bangladesh especially in Tangail District because it is situated in the influence zone of the Brahmaputra-Jamuna river system,which is one of the largest river system in the world.This study is mainly based on secondary information.River discharge,annual temperature and rainfall data are used to the realize the climate change of the study area.From the data analysis it was that temperature and rainfall are increasing day by day as well as flood frequency.Recently floods are occurring more frequently than the previous years.These frequent floods cause damage of lives and properties in Tangail District.From the analytical result of the study,believed because of climate change temperature and rainfall are changing and frequency of flood is increasing.

Hasina Pervin is a Research Officer,District Education Office,Sherpur, Bangladesh. Dr.M Nazrul Islam is a Prof. Dept. of Geography and Environment, Jahangirnagar University, Bangladesh. Adullah Mahsum received his B.Sc and M.Sc in Geography and Environment from Jahangirnagar University, Bangladesh.